EP1979152A1 - Halbzeug zur herstellung einer kunststofftube und daraus hergestellte tube aus kunststoff - Google Patents
Halbzeug zur herstellung einer kunststofftube und daraus hergestellte tube aus kunststoffInfo
- Publication number
- EP1979152A1 EP1979152A1 EP06818764A EP06818764A EP1979152A1 EP 1979152 A1 EP1979152 A1 EP 1979152A1 EP 06818764 A EP06818764 A EP 06818764A EP 06818764 A EP06818764 A EP 06818764A EP 1979152 A1 EP1979152 A1 EP 1979152A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- head part
- semifinished product
- tube
- closure
- product according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011265 semifinished product Substances 0.000 title claims abstract description 44
- 239000004033 plastic Substances 0.000 title claims abstract description 29
- 229920003023 plastic Polymers 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000003000 extruded plastic Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000010101 extrusion blow moulding Methods 0.000 abstract description 9
- 239000000975 dye Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000001024 permanent hair color Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000118 hair dye Substances 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
- B65D35/02—Body construction
- B65D35/04—Body construction made in one piece
- B65D35/08—Body construction made in one piece from plastics material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
- B65D1/023—Neck construction
- B65D1/0238—Integral frangible closures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/09—Ampoules
- B65D1/095—Ampoules made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3008—Preforms or parisons made of several components at neck portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3012—Preforms or parisons made of several components at flange portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3016—Preforms or parisons made of several components at body portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/302—Preforms or parisons made of several components at bottom portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
- B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
- B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
- B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
- B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
- B29C2949/303—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components having more than three components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3041—Preforms or parisons made of several components having components being extruded
- B29C2949/3042—Preforms or parisons made of several components having components being extruded having two or more components being extruded
- B29C2949/3044—Preforms or parisons made of several components having components being extruded having two or more components being extruded having three or more components being extruded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3041—Preforms or parisons made of several components having components being extruded
- B29C2949/3042—Preforms or parisons made of several components having components being extruded having two or more components being extruded
- B29C2949/3044—Preforms or parisons made of several components having components being extruded having two or more components being extruded having three or more components being extruded
- B29C2949/3046—Preforms or parisons made of several components having components being extruded having two or more components being extruded having three or more components being extruded having more than three components being extruded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
- B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
- B29C66/43123—Closing the ends of squeeze tubes, e.g. for toothpaste or cosmetics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/20—Flexible squeeze tubes, e.g. for cosmetics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/26—Scrap or recycled material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics
Definitions
- the invention relates to a semi-finished product for producing a plastic tube, which is produced in an extrusion blow molding process, and a filled plastic tube made therefrom according to the respective preambles of the generic independent claims.
- Containers for storage and one-time provision, for example, of hair dyes and the like, the contents of which are intended for single use, must be disposed of after the single use.
- This edition can be best fulfilled especially by tube-like containers made of plastic.
- the tube-shaped containers should be producible in a per se known extrusion blow molding method, which ensures high degrees of freedom in terms of the usable plastics, the layer sequences and the shaping in the production.
- the tube-shaped containers should be handled in the usual way, in particular fillable from the bottler and lockable.
- Resealable lids or closures should be dispensed with.
- the function of the tube-like container should be self-explanatory to the end user, and the one-time emptying of the container be accomplished without difficulty. It should also take into account the fact that permanent hair dyes are usually offered in combination with a developer, which is usually arranged in a separate bottle. Before use, the tube contents and the developer must be mixed together. Only in conjunction with the developer unfolds the hair dye the desired effect. It is therefore also a tube to be created, which allows a simplified and pollution-free mixture of the dye contained in the tube and a developer.
- a semifinished product for the production of plastic tubes is provided with a substantially cylindrical body, whose one longitudinal end merges into a head portion with a closable extrusion opening and the other longitudinal end is formed open.
- the semifinished product is produced in an extrusion blow molding process in which single-layer or multi-layer extruded plastic tubing is inflated in a blow mold according to the blow mold cavity.
- the ejection opening provided in the head part is provided with a one-way closure, which has been created during the inflation process within the blow mold.
- the semi-finished product according to the invention is already provided with a one-way closure and is delivered in this form to a bottler. This only has to fill the intended amount of a pasty mass through the open longitudinal end in the body of the semifinished product and then close the open end of the body. This is usually done by squeezing and welding an end portion of the open longitudinal end of the body. But it can also be provided that the open end of the body after filling by sealing or gluing is closed.
- the advantage arises of only having to fill and seal more. Elaborate and expensive systems in which extruded, blown, filled and sealed, omitted. The effort for the operation, maintenance and repair of the required equipment is reduced thereby.
- the production of semi-finished products takes place at specialized and suitably equipped companies. It is simplified and cheaper, by dispensing with a resealable opening and a one-way closure is provided. As a result, the head section can be made much simpler.
- the one-way closure is already created during the production of the semifinished product, during the inflation within the blow mold.
- the semifinished product is produced in a proven extrusion blow molding process from a single or multilayer extruded plastic tube.
- a very advantageous embodiment of the invention provides to form a rotary toggle closure as a disposable closure in the semifinished product.
- rotary toggle closures for example, already known and tested by soft drink bottles.
- the rotary knob closure is an integral part of the head part of the semifinished product. It is formed integrally with the head part and consists of the same material as the body and the head part of the semifinished product and is already produced during the blowing process within the mold cavity of the blow mold. This has the advantage that the end user can dispose of the twisted closure and the tube together when disposing of the squeezed out tube, since they are made of the same material.
- the rotary knob closure has a cap portion, which is integrally connected via a trained as a predetermined breaking point weakened area with the extrusion of the opening portion of the head.
- the rotary toggle closure is advantageously already produced during the extrusion blow molding of the semifinished product according to the invention.
- the circumferential predetermined breaking point is formed in the cavity of the blow mold.
- the gripping portion is formed by a crimped portion of the extruded plastic tube.
- An advantageous embodiment of the semifinished product provides that its head part has a deviating from the circular shape outer contour and is provided with at least one vent surface.
- the dye in the tube and a developer in a bottle are offered as a set.
- the dye contained in the tube must be mixed with the developer before the mixture can be applied.
- the neck widths of the bottle and the tube are thereby advantageously matched to one another such that the head part of the tube can be inserted into the neck of the bottle.
- the at least one venting surface allows the escape of the air contained in the bottle, which is displaced into the developer contained in the bottle when the tube contents are pressed out. This can avoid contamination of the work surface.
- the semifinished product is advantageously formed from a multilayer extruded plastic tube, which has a light, oxygen and moisture-impermeable barrier layer.
- a multilayer extruded plastic tube which has a light, oxygen and moisture-impermeable barrier layer.
- the semifinished product formed from a multilayer extruded plastic tube has a getter layer for oxygen.
- the multi-layered semi-finished product can have 3 to 6 and also more layers. It can also be provided that at least one of the layers consists of regenerated plastic waste and residues, so-called mill regenerate.
- FIG. 1 is a perspective view of an embodiment of the inventive semifinished product with integrally formed one-way closure.
- Fig. 2 is a side view of the semifinished product of Fig. 1;
- Fig. 3 is a sectional view of the head part of the semifinished product according to Figures 1 and 2.
- FIGS. 1-5 shows a side view of a filled plastic tube produced from the semifinished product according to FIGS. 1-5;
- FIGS. 1 to 5 show an embodiment of the semifinished product according to the invention in different views and detail views.
- the semifinished product bears overall the reference numeral 20.
- the semifinished product 20 produced by the extrusion blow molding process for the production of a plastic tube has an elongated, substantially cylindrical body 1, to whose one longitudinal end a head part 2 adjoins. The opposite longitudinal end 5 of the body 1 is open.
- an endless, single- or multi-layered plastic tube is extruded with an extrusion die, cut and inflated by overpressure in a blow mold according to the mold cavity.
- the head part 2 of the semi-finished product 20 is formed.
- the extrusion and inflation process takes place with the aid of extrusion blow molding machines which are well known from the prior art and which allow the simultaneous production of a large number of semi-finished products.
- the head part 2 has an ejection opening 3, which is surrounded by a boundary portion.
- the extrusion opening is closed by a one-way formed with the head part 2 disposable closure, which is designed in particular as a Drehknebelverschluß 27.
- the rotary knob closure 27 has a cap portion 30 which is connected via a designed as a predetermined breaking point weakened area 29 with the extrusion opening 3 bounding portion of the head part 2. From the cap portion 30 protrudes from a gripping portion 28, which has a flat squashed shape and, for example, has a corrugated-like wavy contour.
- the gripping portion 28 facilitates the gripping of the rotary knob closure 27, which is rotated to break the predetermined breaking point 29 relative to the head part 2.
- the production of the rotary toggle closure 27 takes place during the inflation of the extruded plastic tube within the mold cavity of the blow mold.
- the gripping portion 28 is made, for example, simply by squeezing a tube portion.
- FIG. 4 shows a variant embodiment of the weakened region 29 formed as a predetermined breaking point at the transition from the cap portion 30 to the head part 2.
- constrictions are provided which lead to a cross-sectional contour of the weakened region 29 deviating from the circular cross-sectional shape.
- 5 shows a cross section of the head part 2. This has an outer contour deviating from the circular shape, which is achieved, for example, by a sequence of sealing surfaces 24 and ventilation surfaces 25.
- the sealing surface 24 have approximately the radius of curvature of a continuous circular outer contour.
- the vent surfaces 25 run concavely concaved contrast.
- the dye in the tube and a developer in a bottle are offered as a set.
- the dye contained in the tube must be mixed with the developer before the mixture can be applied.
- the neck widths of the bottle and the tube are advantageously matched to one another such that the head part of the tube can be inserted into the neck of the bottle.
- the sealing surfaces 24 on the head part 2 provide support and a certain sealing fixation in the neck of the bottle.
- the concave vent surfaces 25 allow escape of the air contained in the bottle, which is displaced during the pressing of the tube contents in the developer contained in the bottle. As a result, contamination of the work surface can be avoided.
- the semifinished product 20 produced in the extrusion blow molding process with the integrated rotary toggle fastener 27 is filled by a filler in the usual way through the open longitudinal end 5 of the body 1 with a pasty mass or the like, for example with a hair dyeing agent. Thereafter, the longitudinal end 5 is closed. This is done for example by squeezing and welding or by sealing or gluing and is indicated in Fig. 6 and 7 by a crushing / welding section 6. This results in the characteristic of a filled plastic tube 21 shape.
- FIG. 6 and FIG. 7 show the plastic tube 21 with intact rotary knob closure 27. The predetermined breaking points are broken by a relative rotation 27 of the rotary toggle closure to the head part of the body 1, and the ejection opening is released.
- the contents of the plastic tube 21 can be easily pressed out after opening, down to a minimal residual quantity.
- the rotary toggle closure 27 consists of the same material as the body 1 of the plastic tube 21 and can be disposed of together with the latter after the contents have been pressed out.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Tubes (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06818764T PL1979152T3 (pl) | 2005-12-20 | 2006-11-23 | Półwyrób do wytwarzania tuby z tworzywa sztucznego oraz sposób wytwarzania i wytworzona z niego tuba z tworzywa sztucznego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH20142005 | 2005-12-20 | ||
PCT/EP2006/011241 WO2007071304A1 (de) | 2005-12-20 | 2006-11-23 | Halbzeug zur herstellung einer kunststofftube und daraus hergestellte tube aus kunststoff |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1979152A1 true EP1979152A1 (de) | 2008-10-15 |
EP1979152B1 EP1979152B1 (de) | 2010-01-27 |
Family
ID=35985879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06818764A Not-in-force EP1979152B1 (de) | 2005-12-20 | 2006-11-23 | Halbzeug zur herstellung einer kunststofftube sowie herstellungsverfahren, und daraus hergestellte tube aus kunststoff |
Country Status (9)
Country | Link |
---|---|
US (1) | US20090101672A1 (de) |
EP (1) | EP1979152B1 (de) |
CN (1) | CN101415533B (de) |
AT (1) | ATE456442T1 (de) |
DE (1) | DE502006006065D1 (de) |
ES (1) | ES2340203T3 (de) |
PL (1) | PL1979152T3 (de) |
RU (1) | RU2428311C2 (de) |
WO (1) | WO2007071304A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009113177A1 (ja) | 2008-03-14 | 2009-09-17 | 株式会社大塚製薬工場 | プラスチックアンプルおよび着色プラスチック容器 |
CN102836066B (zh) * | 2008-03-14 | 2014-11-05 | 株式会社大塚制药工厂 | 着色塑料容器 |
DE102010041384A1 (de) * | 2010-09-24 | 2012-03-29 | Tubex Holding Gmbh | Blasformwerkzeug zur Herstellung einer Tube, Vorrichtung mit einem Blasformwerkzeug und Verfahren zur Herstellung einer Tube |
CH707854A2 (de) | 2013-03-20 | 2014-09-30 | Alpla Werke | Extrusionsblasgeformte Tube. |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3295725A (en) * | 1962-12-07 | 1967-01-03 | American Can Co | Collapsible dispensing container with an impermeable barrier both in its laminated wall and in its headpiece |
US3934743A (en) * | 1972-12-29 | 1976-01-27 | American Can Company | Blow molded, oriented plastic bottle and method for making same |
US4044086A (en) * | 1972-12-29 | 1977-08-23 | American Can Company | Method for making a blow molded oriented plastic bottle |
US3877499A (en) * | 1973-05-14 | 1975-04-15 | Alfred Fluster | Fluid coupling device |
US3921685A (en) * | 1974-07-24 | 1975-11-25 | Gen Motors Corp | Sealing material injector nozzle |
US4170622A (en) * | 1977-05-26 | 1979-10-09 | Owens-Illinois, Inc. | Method of making a blown hollow article having a ribbed interior surface |
US4598839A (en) * | 1983-02-01 | 1986-07-08 | Peerless Tube Company | Tamper evident squeeze tube |
US4951841A (en) * | 1984-12-28 | 1990-08-28 | Colgate-Palmolive Company | Dispensing container made from an ethylene vinyl alcohol containing laminated material and the material therefor |
CA2086916A1 (en) * | 1992-01-17 | 1993-07-18 | John D. Culter | Flexible bottle having an improved, integral closure |
US5224614A (en) * | 1992-02-07 | 1993-07-06 | The Procter & Gamble Company | Non-handled lightweight plastic bottle with a substantially rigid grip design to facilitate pouring without loss of control |
US5188250B1 (en) * | 1992-06-05 | 1994-07-05 | Kraft Gen Foods Inc | Plastic beverage bottle with twist-off closure |
US5901865A (en) * | 1996-04-23 | 1999-05-11 | Automatic Liquid Packaging, Inc. | Hermetically sealed container with frangible web and locking lugs and method and apparatus for making same |
US6123211A (en) * | 1997-10-14 | 2000-09-26 | American National Can Company | Multilayer plastic container and method of making the same |
US5908124A (en) * | 1997-11-03 | 1999-06-01 | Owens-Brockway Plastic Products Inc. | One piece blow molded plastic squeeze tube with an integral twist off closure |
US5988417A (en) * | 1997-11-12 | 1999-11-23 | Crown Cork & Seal Technologies Corporation | Plastic container having improved rigidity |
US6213326B1 (en) * | 1998-06-09 | 2001-04-10 | Graham Packaging Company, L.P. | Grippable blow-molded container providing balanced pouring capability |
FR2808259B1 (fr) * | 2000-04-28 | 2002-08-16 | Gervais Danone Sa | Emballage pour produit alimentaire liquide, semi-liquide ou pateux |
US6497333B1 (en) * | 2000-05-09 | 2002-12-24 | Paradigm Packaging, Inc. | Panel stiffeners for blow-molded plastic containers |
US7150624B1 (en) * | 2000-05-24 | 2006-12-19 | Uniloy Milacron Inc. | Sealing blade |
US6933055B2 (en) * | 2000-11-08 | 2005-08-23 | Valspar Sourcing, Inc. | Multilayered package with barrier properties |
AR034176A1 (es) * | 2000-11-08 | 2004-02-04 | Graham Packaging Pet Tech | Metodo de produccion de un envase plastico de forma en tubo comprimible, articulo intermedio para utilizacion en la formacion de un envase plastico de forma en tubo comprimible, y envase plastico de forma en tubo comprimible |
US20040091651A1 (en) * | 2002-11-01 | 2004-05-13 | Mark Rule | Pet copolymer composition with enhanced mechanical properties and stretch ratio, articles made therewith, and methods |
US20050077298A1 (en) * | 2003-10-14 | 2005-04-14 | Sonoco Development, Inc. | Easy-opening container and closure with radiation-weakened bond and method therefor |
-
2006
- 2006-11-23 WO PCT/EP2006/011241 patent/WO2007071304A1/de active Application Filing
- 2006-11-23 ES ES06818764T patent/ES2340203T3/es active Active
- 2006-11-23 RU RU2008139311/05A patent/RU2428311C2/ru not_active IP Right Cessation
- 2006-11-23 EP EP06818764A patent/EP1979152B1/de not_active Not-in-force
- 2006-11-23 PL PL06818764T patent/PL1979152T3/pl unknown
- 2006-11-23 AT AT06818764T patent/ATE456442T1/de active
- 2006-11-23 CN CN2006800530567A patent/CN101415533B/zh not_active Expired - Fee Related
- 2006-11-23 US US12/294,226 patent/US20090101672A1/en not_active Abandoned
- 2006-11-23 DE DE502006006065T patent/DE502006006065D1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2007071304A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE502006006065D1 (de) | 2010-03-18 |
ATE456442T1 (de) | 2010-02-15 |
WO2007071304A1 (de) | 2007-06-28 |
PL1979152T3 (pl) | 2010-07-30 |
US20090101672A1 (en) | 2009-04-23 |
RU2008139311A (ru) | 2010-04-10 |
EP1979152B1 (de) | 2010-01-27 |
RU2428311C2 (ru) | 2011-09-10 |
CN101415533B (zh) | 2013-09-25 |
CN101415533A (zh) | 2009-04-22 |
ES2340203T3 (es) | 2010-05-31 |
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